Treating a moist hull


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Posted by Mikko Kautto on February 14, 2005 at 06:28:47:

Posted by Mikko Kautto on August 01, 2003 at 06:52:30:
Hej Bengt,
Thanks for your site! We have a Hallberg P 28 from 1965 with a GRP hull. The boat's gelcoat had come to a point where it needed repair. We also detected the hull below waterline was wet. We learnt the previous owner in Sweden had applied Tarepoxy below waterline.
We then had a boat surveyor over who said the boat did not have Osmosis. Anyway he recommended that we peel and dry the boat, and apply Gelshield 2000 and 1000 all over the boat when it is dry and then paint it.
Last Autumn we scraped the boat below waterline with GelPlane. The glassfibre looked perfect, there were no darker signs nor nasty smells.
Now the boat has been drying since then from November 2002, i.e. 9 months and according to our Tramex meter it is still wet below waterline. The boat receives direct sunlight to the parts that were peeled but no rain as it is covered from top. Why doesn't the hull dry?
Now, as for the next step, what do you recommend? As far as we understand, there is no need for HotVac procedure (probably we don't even have it in Finland) since there is no osmosis. Should we then just use some filler, one-component primer and anti-fouling paint and put it back to water even if the hull is not dry?
Or wait till it dries and use the Gelshield method? In that case we would like to know how to dry the hull.
all best wishes for the summer,
Mikko



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